Bug 1606588 R[Core:Audio/Video: Playback]Enable media control key event on Nightly
Bug 1571493 R[Core:Audio/Video: Playback]Decouple the media control from AudioChannelService
Bug 1604653 R[Core:Audio/Video: Playback]Add `setPlaybackState()` API on MediaControlKeysEventSource
Bug 1606553 R[Core:DOM: Core & HTML]Perma /html/cross-origin-opener-policy/coep.https.html | Bonus: window.crossOriginIsolated - assert_true: expected true got false - when Gecko 73 merges to Beta on 2020-01-06
Bug 1605817 R[Core:DOM: Web Authentication]Intermittent TEST-UNEXPECTED-OK | /webauthn/createcredential-timeout.https.html | expected TIMEOUT
Bug 1600644 R[Core:Gecko Profiler]Do not report ProfilerBuffer's own size twice
Bug 1569370 R[Core:Graphics]RLBox - Switch the RLBox API parameter to move to the sandboxed version of libGraphite
Bug 1510682 R[Core:JavaScript Engine]clang-format does not keep newlines on ClassOps / ::class_ definitions.
Bug 1602209 R[Core:JavaScript Engine]firefox 71 spidermonkey segment fault
Bug 1605282 R[Core:JavaScript: GC]Perma tier 2 GECKO(1114) | Assertion failure: prevState == JS::HeapState::Idle, at /builds/worker/workspace/build/src/js/src/gc/GC.cpp:6234
Bug 1605348 R[Core:JavaScript: GC]Assertion failure: comp == compartment || (srcKind == JS::TraceKind::Object && InCrossCompartmentMap(runtime(), static_cast<JSObject*>(src), thing)), at js/src/gc/GC.cpp:3731 with WeakRef
Bug 1605866 R[Core:Layout: Text and Fonts]Perma /css/css-fonts/animations/font-variation-settings-composition.html | Compositing: property <font-variation-settings> underlying ['test' 50] from add ['test' 100] to add ['test' 200] at (-0.3) should be [when Gecko 73 merges to Beta on 2020-01-06
Bug 1602020 A[Core:Security: PSM]Upgrade Firefox 73 to use NSS 3.49
Bug 1605781 R[Core:WebRTC]Perma tier2 TEST-UNEXPECTED-OK | /webrtc/RTCPeerConnection-canTrickleIceCandidates.html | expected CRASH
Bug 1606036 R[Core:Widget: Gtk]Implement high contrast mode in GTK.
Bug 1556301 R[Core:Widget: Gtk][Wayland] Make sure we don't need Xdisplay when Wayland backend is active
Bug 1605120 R[Core:Widget: Gtk][Wayland] Calculate and set opaque region for all wayland surfaces
Bug 1606672 R[Core:XPCOM]Change nsIRunnablePriority values so increasing value indicates increased priority
Bug 1605417 R[Core:XPCOM]use GeneratedFile template in xpcom/tests/gtest/
Bug 1606657 R[Core:XPCOM]Thread manager should not assume the numeric value of nsIRunnablePriority::PRIORITY_NORMAL
Bug 1599015 R[Core:mozglue]Crash in [@ mozilla::interceptor::WindowsDllDetourPatcher<T>::CreateTrampoline]
Bug 1596114 R[DevTools:Debugger]Migrate server unit tests to async/await
Bug 1605600 R[DevTools:JSON Viewer]Normalize file URI in browser_json_refresh.js
Bug 1606153 R[DevTools:Netmonitor]Use tabular-nums in network status bar for more stable layout
Bug 1606161 A[DevTools:Netmonitor]Avoid forced layout for laying out network table headers
Bug 1599604 R[DevTools:Netmonitor]Map usage in Network monitor is slow and causes massive GC
Bug 1605999 R[Firefox:Disability Access]Track if a user disables site-specific zoom while using default zoom
Bug 1498691 R[Firefox:Enterprise Policies]Extension EnableTrackingProtection policy to allow disabling ETP for list of hosts/websites
Bug 1605297 A[Firefox:General]Intermittent browser/extensions/doh-rollout/test/browser/browser_policyOverride.js | Uncaught exception - undefined - timed out after 50 tries.
Bug 1606274 R[Firefox:General]Remove obsolete MOZ_PHOENIX and MOZ_GRAPHENE macros
Bug 1606205 R[Firefox:Migration]some migration telemetry will expire in Nightly on 2020-01-06 when the Gecko version increases to 74
Bug 1599935 R[Firefox:PDF Viewer]"Open With Different Viewer" infobar should be more noticeable
Bug 1606634 R[Firefox:PDF Viewer]Update pdf.js to version 2.4.254
Bug 969282 R[Firefox:Preferences]"Use proxy for all protocols" should not copy to SOCKS.
Bug 1606342 R[Firefox:Preferences]"Country or Region" select element in about:preferences under Saved Addresses is cut off on the end
Bug 1596766 R[Firefox:Search]Engine selector should return a single locale for each engine
Bug 1594162 R[Firefox:Session Restore]Blank tabs are shown after Firefox updated to version 71.0b7
Bug 1584126 R[Firefox:about:logins]The password of a saved login can be revealed with devtools without re-entering the master password if one is set
Bug 1606504 R[Firefox Build System:General]mozbuild/artifact_cache.py and mozbuild/dotproperties.py support Python 3
Bug 1605264 R[Firefox Build System:General]"./mach package" should use Python 3
Bug 1606462 R[Firefox Build System:General]mozbuild/jar.py supports Python 3
Bug 1606490 R[Firefox Build System:General]/mozbuild/test/test_containers.py supports Python 3
Bug 1606692 R[Firefox Build System:General]Scripts in python/mozbuild/mozbuild/controller support Python 3
Bug 1606625 R[Firefox Build System:General]don't add PGO flags for wasm compilation
Bug 1576912 R[Firefox Build System:Generated Documentation]Improve docs for writing docs
Bug 1606168 R[Firefox Build System:Lint and Formatting]Extend rustfmt and document it
Bug 1605106 R[Firefox Build System:Lint and Formatting]`mach lint -n third_party/python/lldbutils/` hangs forever
Bug 1605852 R[Firefox Build System:Source Code Analysis]enable modernize-concat-nested-namespaces at review phase
Bug 1606170 R[Firefox Build System:Source Code Analysis]Doc: Create a list of linters/static analyzers
Bug 1596182 R[Firefox Build System:Toolchains]Consider adding raptor-webaudio to PGO training
Bug 1605722 R[Remote Protocol:Agent]Enable target discovery by default for browser chrome tests
Bug 1602801 R[Tree Management:Perfherder]Stylebench should be marked as subtest_lower_is_better
Bug 1605515 A[WebExtensions:General]Intermittent toolkit/components/extensions/test/mochitest/test_ext_webrequest_hsts.html | undefined - Expected: onHeadersReceived, Actual: onResponseStarted
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Changes to 56 bugs - 51 fixed.